:root { color-scheme: light; --ink: #231f20; --muted: #70675f; --cream: #fff8ef; --paper: #fffdf9; --orange: #ff7400; --gold: #ffc529; --green: #21aa78; --line: #f1dfca; --shadow: 0 28px 80px rgb(78 42 8 / 12%); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--cream); color: var(--ink); font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.site-header, footer { width: min(1180px, calc(100% - 40px)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.site-header { min-height: 80px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 900; text-decoration: none; }
.brand span { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 12px; background: linear-gradient(135deg, var(--gold), var(--orange)); color: white; }
nav { display: flex; align-items: center; gap: 24px; }
nav a { color: var(--muted); font-size: 14px; font-weight: 800; text-decoration: none; }
.nav-cta { padding: 11px 16px; border-radius: 999px; background: var(--ink); color: white; }
main { overflow: hidden; }
.hero { width: min(1180px, calc(100% - 40px)); min-height: 690px; margin: 0 auto; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 72px; padding: 54px 0 88px; }
.eyebrow { margin: 0 0 14px; color: var(--orange); font-size: 13px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; letter-spacing: -.035em; }
h1 { max-width: 760px; margin-bottom: 24px; font-size: clamp(52px, 6.8vw, 88px); line-height: .96; }
h2 { margin-bottom: 16px; font-size: clamp(38px, 5vw, 62px); line-height: 1; }
h3 { margin-bottom: 9px; font-size: 21px; }
.lede { max-width: 700px; margin: 0; color: var(--muted); font-size: 20px; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 22px; border-radius: 16px; font-weight: 900; text-decoration: none; }
.button.primary { background: linear-gradient(135deg, var(--gold), var(--orange)); color: white; box-shadow: 0 14px 28px rgb(255 116 0 / 24%); }
.button.secondary { border: 1px solid var(--line); background: var(--paper); }
.trust-note { margin: 18px 0 0; color: var(--muted); font-size: 14px; font-weight: 700; }
.phone-stage { position: relative; display: grid; place-items: center; min-height: 590px; }
.phone-stage img { position: relative; width: min(320px, 78vw); height: auto; border: 10px solid var(--ink); border-radius: 48px; box-shadow: var(--shadow); }
.phone-caption { position: relative; max-width: 320px; margin: 16px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; text-align: center; }
.phone-glow { position: absolute; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle at 40% 40%, #ffd253, #ff8c2a 55%, transparent 70%); opacity: .35; filter: blur(16px); }
.calculator-section { padding: 100px max(20px, calc((100vw - 1180px) / 2)); background: var(--ink); color: white; }
.section-heading { max-width: 760px; margin-bottom: 38px; }
.section-heading > p:last-child { color: #bdb4aa; font-size: 18px; line-height: 1.55; }
.calculator { display: grid; grid-template-columns: repeat(5, minmax(120px, 1fr)); gap: 14px; }
.calculator-section > .fine-print { margin-bottom: 20px; }
.calculator label { display: flex; flex-direction: column; gap: 9px; color: #e9dfd4; font-size: 13px; font-weight: 800; }
.calculator label > span { display: flex; min-height: 54px; align-items: center; border: 1px solid #554d48; border-radius: 15px; background: #302b29; overflow: hidden; }
.calculator input { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; color: white; font: inherit; font-size: 19px; font-weight: 900; padding: 0 4px 0 16px; }
.calculator input:focus-visible, .calculator select:focus-visible { outline: 3px solid var(--gold); outline-offset: -3px; }
.calculator input[aria-invalid="true"] { box-shadow: inset 0 -3px #ffafa5; }
.model-controls { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 24px; margin-top: 12px; }
.model-controls select { width: 100%; min-width: 0; padding: 14px; border: 1px solid #554d48; border-radius: 12px; background: #302b29; color: white; font: inherit; }
.basis-help { color: #c7bdb4; font-size: 12px; font-weight: 400; line-height: 1.5; }
.calculator .confirmation { flex-direction: row; align-items: flex-start; gap: 12px; line-height: 1.6; }
.calculator .confirmation input { width: 22px; height: 22px; flex-shrink: 0; margin-top: 1px; padding: 0; accent-color: var(--gold); }
.calculator-error, .calculator-status { grid-column: 1 / -1; margin: 0; font-size: 14px; line-height: 1.6; }
.calculator-error { padding: 14px; border: 1px solid #ffafa5; border-radius: 12px; color: #ffe0db; }
.calculator-status { color: #ded5cb; }
.calculator-reset { grid-column: 1 / -1; justify-self: start; color: var(--ink); cursor: pointer; }
.calculator [hidden] { display: none; }
.input-prefix, .input-suffix { color: var(--gold); font-weight: 900; }
.input-prefix { padding-left: 16px; }
.input-suffix { padding-right: 16px; }
.result { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; margin-top: 12px; padding: 28px; border-radius: 24px; background: linear-gradient(135deg, #fff7e7, #fff); color: var(--ink); }
.result > p { margin: 0; color: var(--muted); font-weight: 800; }
.result > strong { color: var(--green); font-size: clamp(34px, 5vw, 58px); letter-spacing: -.04em; overflow-wrap: anywhere; }
.result-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.result-grid span { display: flex; flex-direction: column; gap: 5px; }
.result-grid { flex: 1; }
.result-grid small, .result-grid b { overflow-wrap: anywhere; }
.result-grid small { color: var(--muted); }
.fine-print { max-width: 900px; margin: 18px 0 0; color: #a99f97; font-size: 13px; line-height: 1.5; }
.steps { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 110px 0; }
.steps .section-heading > p:last-child { color: var(--muted); }
.step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step-grid article { padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: var(--paper); box-shadow: 0 12px 30px rgb(78 42 8 / 5%); }
.step-grid article > span { display: grid; width: 38px; height: 38px; margin-bottom: 24px; place-items: center; border-radius: 12px; background: linear-gradient(135deg, var(--gold), var(--orange)); color: white; font-weight: 900; }
.step-grid p { margin: 0; color: var(--muted); line-height: 1.55; }
footer { align-items: flex-end; padding: 42px 0 54px; border-top: 1px solid var(--line); }
footer p { margin: 12px 0 0; color: var(--muted); }
.guide, .guide-index { width: min(900px, calc(100% - 40px)); margin: 0 auto; padding: 68px 0 110px; }
.guide { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.guide header { padding: 54px 0 46px; border-bottom: 1px solid var(--line); }
.guide h1, .guide-index h1 { max-width: 900px; font-family: ui-rounded, "SF Pro Rounded", -apple-system, sans-serif; font-size: clamp(46px, 7vw, 78px); line-height: .98; }
.guide-intro { max-width: 800px; color: var(--muted); font-size: 21px; line-height: 1.6; }
.breadcrumbs { justify-content: flex-start; gap: 9px; color: var(--muted); }
.guide > section { padding: 44px 0; border-bottom: 1px solid var(--line); }
.guide > section h2 { font-family: ui-rounded, "SF Pro Rounded", -apple-system, sans-serif; font-size: clamp(30px, 4vw, 44px); }
.guide > section p, .guide > section li { color: #4f4944; font-size: 18px; line-height: 1.72; }
.guide > section ul { padding-left: 24px; }
.guide > section li { margin: 7px 0; }
.faq-list { display: grid; gap: 10px; }
.faq-list details { padding: 19px 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); }
.faq-list summary { cursor: pointer; font-weight: 850; }
.faq-list details p { margin-bottom: 0; font-size: 16px; }
.guide-cta { margin-top: 52px; padding: clamp(28px, 5vw, 52px); border-radius: 30px; background: var(--ink); color: white; }
.guide-cta h2 { margin-bottom: 14px; font-family: ui-rounded, "SF Pro Rounded", -apple-system, sans-serif; }
.guide-cta > p:not(.eyebrow) { color: #c7bdb4; font-size: 18px; line-height: 1.55; }
.guide-cta .secondary { color: var(--ink); }
.guide-index { width: min(1180px, calc(100% - 40px)); }
.guide-index .section-heading { max-width: 900px; margin-bottom: 54px; }
.guide-index .section-heading > p:last-child { color: var(--muted); }
.guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.guide-grid article { padding: 30px; border: 1px solid var(--line); border-radius: 24px; background: var(--paper); }
.guide-grid h2 { font-size: 30px; }
.guide-grid h2 a, .text-link { text-decoration: none; }
.guide-grid article > p:not(.eyebrow) { color: var(--muted); line-height: 1.55; }
.text-link { color: var(--orange); font-weight: 850; }
@media (max-width: 860px) { .site-header nav > a:not(.nav-cta) { display: none; } .hero { grid-template-columns: 1fr; gap: 44px; padding-top: 34px; text-align: center; } .hero-copy { display: flex; flex-direction: column; align-items: center; } .phone-stage { min-height: 510px; } .calculator { grid-template-columns: 1fr 1fr; } .result { flex-direction: column; align-items: flex-start; } .result-grid { width: 100%; } .step-grid { grid-template-columns: 1fr; } }
@media (max-width: 720px) { .guide-grid { grid-template-columns: 1fr; } }
@media (max-width: 860px) { .model-controls { grid-template-columns: 1fr; gap: 18px; } }
@media (max-width: 560px) { .site-header, footer, .hero, .steps, .guide, .guide-index { width: min(100% - 28px, 1180px); } h1 { font-size: 48px; } .hero-actions, .button { width: 100%; } .calculator-section { padding: 76px 14px; } .calculator { grid-template-columns: 1fr; } .result-grid { grid-template-columns: 1fr; } footer { align-items: flex-start; gap: 30px; } footer nav { flex-direction: column; align-items: flex-start; gap: 10px; } }